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Sulfidic Sediments And Sedimentary Rocks

Author: David Rickard
Publisher: Newnes
ISBN: 0080931839
Size: 27.41 MB
Format: PDF, Docs
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This book deals with sedimentary sulfides which are the most abundant authigenic minerals in sediments. Special emphasis is given to the biogeochemistry that plays such a central role in the formation of sedimentary sulfides. It will be of interest to scientists in a number of disciplines, including geology, microbiology, chemistry and environmental science. The sulfur system is important to environmental scientists considering the present and future effects of pollution and anoxia. The development of the sulfur system – particularly the characteristics of ocean anoxia over the last 200 Ma – is useful in predicting the future fate of the Earth surface system as well as in understanding the past. The biochemistry and microbiology of the sulfur system are key to understanding microbial ecology and the evolution of life. First monograph on sedimentary sulfides, covering the ancient and modern sedimentary sulfide systems Comprehensive, integrating chemistry, microbiology, geology and environmental science All key references are included and discussed

Environmental Microbial Biotechnology

Author: Lala Behari Sukla
Publisher: Springer
ISBN: 3319190180
Size: 64.56 MB
Format: PDF, Docs
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This book provides a timely review of strategies for coping with polluted ecosystems by employing bacteria, fungi and algae. It presents the vast variety of microbial technologies currently applied in the bioremediation of a variety of anthropogenic toxic chemicals, mining and industrial wastes and other pollutants. Topics covered include: microbe-mineral interactions, biosensors in environmental monitoring, iron-mineral transformation, microbial biosurfactants, bioconversion of cotton gin waste to bioethanol, anaerobe bioleaching and sulfide oxidation. Further chapters discuss the effects of pollution on microbial diversity, as well as the role of microbes in the bioremediation of abandoned mining areas, industrial and horticultural wastes, wastewater and sites polluted with hydrocarbons, heavy metals, manganese and uranium.

Sediment Provenance

Author: Rajat Mazumder
Publisher: Elsevier
ISBN: 0128033878
Size: 78.72 MB
Format: PDF, Kindle
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Sediment Provenance: Influences on Compositional Change from Source to Sink provides a thorough and inclusive overview that features data-based case studies on a broad range of dynamic aspects in sedimentary rock structure and deposition. Provenance data plays a critical role in a number of aspects of sedimentary rocks, including the assessment of palaeogeographic reconstructions, the constraints of lateral displacements in orogens, the characterization of crust which is no longer exposed, the mapping of depositional systems, sub-surface correlation, and in predicting reservoir quality. The provenance of fine-grained sediments—on a global scale—has been used to monitor crustal evolution, and sediment transport is paramount in considering restoration techniques for both watershed and river restoration. Transport is responsible for erosion, bank undercutting, sandbar formation, aggradation, gullying, and plugging, as well as bed form migration and generation of primary sedimentary structures. Additionally, the quest for reservoir quality in contemporary hydrocarbon exploration and extraction necessitates a deliberate focus on diagenesis. This book addresses all of these challenges and arms geoscientists with an all-in-one reference to sedimentary rocks, from source to deposition. Provides the latest data available on various aspects of sedimentary rocks from their source to deposition Features case studies throughout that illustrate new data and critical analyses of published data by some of the world’s most pre-eminent sedimentologists Includes more than 150 illustrations, photos, figures, and diagrams that underscore key concepts

Mineral Deposits Of Finland

Author: Wolfgang Derek Maier
Publisher: Elsevier
ISBN: 0124104762
Size: 64.63 MB
Format: PDF
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Mineral Deposits of Finland is the only up-to-date and inclusive reference available that fully captures the scope of Finland’s mineral deposits and their economic potential. Finland hosts Europe’s most mature rocks and large cratonic blocks, analogous to western Australia and Southern Africa, which are the most mineralized terrains on Earth. Authored by the world’s premier experts on Finnish mineral exploration and mining, Mineral Deposits of Finland offers a thorough summary of the mineral deposits and their petrogenesis, helping readers to map, explore, and identify Finland’s renewed potential for mineral exploration and extraction. Presents a thoroughly inclusive catalogue of Finland’s mineral deposits and their economic potential Features full-color figures, illustrations, working examples and photographs to aid the reader in retaining key concepts to underscore major advances in the exploration of Finland’s mineral resources Offers concise chapter summaries authored by leaders in geological research, which provide accessible overviews of deposit classes

Aux Origines De La Vie

Author: Abderrazak El Albani
Publisher: Dunod
ISBN: 2100748254
Size: 71.46 MB
Format: PDF, ePub, Mobi
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Ce livre raconte l'aventure d'explorateurs d'un genre particulier : des géologues intrépides qui, partis en Afrique pour réaliser quelques échantillonnages de sédiments anciens, ont remonté le cours du Temps pour mettre au jour une découverte stupéfiante. Des fossiles de structures cellulaires, âgés de plus de 2 milliards d'années, qui ont remis en cause toute l'histoire jusque là admise de l'émergence de la vie sur Terre! Comment les chercheurs, menés par Abderrazak El Albani, ont-ils réalisé cette découverte? En quoi est-elle si révolutionnaire? Comment la vie est-elle apparue sur Terre? Ce livre vous fera voyager dans le temps, à la rencontre de nos origines. Il vous révèlera aussi comment la science avance, souvent au hasard de découvertes inattendues!